Kai Chen was born in Tianjin, China, in 1996. He received the B.S. degree in both electronic science and technology (optoelectronic) from Tianjin University, Tianjin, China, in 2018, and the Ph.D. degree in optoelectronic technology from the Institute of Laser and Optoelectronic, Tianjin University, in 2024. Since January 2024, he has been a Post-Doctoral Fellow with the School of Precision Instrument and Optoelectronics Engineering, Tianjin University. His interests include all-solid-state lasers and theirapplications.